3840421060 has 36 divisors (see below), whose sum is σ = 9381602412. Its totient is φ = 1316715456.

The previous prime is 3840421043. The next prime is 3840421061. The reversal of 3840421060 is 601240483.

It can be written as a sum of positive squares in 2 ways, for example, as 628705476 + 3211715584 = 25074^2 + 56672^2 .

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (3840421061) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1958419 + ... + 1960378.

It is an arithmetic number, because the mean of its divisors is an integer number (260600067).

Almost surely, 2^3840421060 is an apocalyptic number.

It is an amenable number.

3840421060 is an abundant number, since it is smaller than the sum of its proper divisors (5541181352).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3840421060 is a wasteful number, since it uses less digits than its factorization.

3840421060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3918820 (or 3918811 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 3840421060 is about 61971.1308594575. The cubic root of 3840421060 is about 1566.0042902843.

The spelling of 3840421060 in words is "three billion, eight hundred forty million, four hundred twenty-one thousand, sixty".